HP XP20000/XP24000 Manual de configuración - Página 14

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HP XP20000/XP24000 Manual de configuración
CAUTION:
The UUID (or by default the decimal value of the CU:LDEV value) must be unique across the SAN
for the OpenVMS host and/or OpenVMS cluster. No other SAN storage controllers should present
the same value. If this value is not unique, data loss will occur.
If host mode option 33 is not set, none of the OpenVMS LUNs can have a CU:LDEV value greater
than 7F:FF. That hexadecimal value equals decimal 32767, which is the largest DGA device
number allowed by OpenVMS.
If host mode option 33 is set and the UUID for the LUN is not set, then the device will NOT be
presented to the OpenVMS host. If configuration problems arise, use the SYS$ETC:FIBRE_SCAN
program to search for devices that are presented to the OpenVMS host.
Use the following procedure to set the UUID.
1.
Start LUN Manager and display the LUN Manager window (see
Figure 2 LUN Manager window
.
2.
In the tree, double-click a port. The host groups corresponding to the port are displayed.
3.
In the tree, select a host group. The LU Path list displays showing information about LU paths
associated with the selected host group.
4.
In the LU Path list, select one or more LUNs to which volumes are assigned (if a volume is assigned
to an LUN, the columns on the right of the LUN column are not empty). When plural LUNs are
selected, same UUID is set to all selected LUNs.
14
Installing and configuring OpenVMS for the XP family of disk arrays
Figure
2).